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Red Kuri Squash - Vilmorin seeds - Cucurbita maxima

Cucurbita maxima Potimarron
Red Kuri Squash

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Very decent production

Franklin F., 05/09/2018

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This plant carries a 6 months recovery warranty

More information

This trailing variety is productive and early maturing. It has about 5 medium-sized, red-orange fruits per plant (12 to 22 cm (5 to 9in), 1.2 to 1.5 kg), in the shape of a pear. Their skin is thin and tender and the flesh is thick, with a wonderful hint of chestnut flavour. Potimarron squash will keep well.
Ease of cultivation
Beginner
Height at maturity
40 cm
Spread at maturity
1.50 m
Soil moisture
Damp soil
Germination time (days)
5 days
Sowing method
Direct sowing, Sowing under cover, Sowing under cover with heat
Sowing period March to June
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Flowering time June to September
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Harvest time September to November
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Description

The Potimarron squash is a trailing, productive and early-ripening variety. It has about 5 medium-sized, red-orange fruits per plant (12 to 22 cm (5 to 9in), 1.2 to 1.5 kg), in the shape of a pear. Their skin is thin and tender and the flesh is thick, with a wonderful chestnut flavour. This Potimarron has excellent storage capabilities.

 

Pumpkins and Squashes belong to the Cucurbitaceae family and the species Cucurbita maxima. This annual herbaceous plant has long, vigorous, trailing or climbing stems with strong tendrils. Each plant has separate male and female flowers, making it monoecious; it is the female flowers that will produce the fruits once pollinated by the male flowers.

They come in many shapes and colours, from large ribbed orange or red fruits with orange flesh to oblong shapes, pear shapes or "turban" shapes. Originally from South America, this species is believed to have been introduced to Europe around the 16th or 17th century like the other species of Cucurbita. They are often wrongly called "gourds" which belong to a different species, Cucurbita pepo, with stringy flesh and a hard, fibrous stem. As for the squash, it has sweet, tasty and less stringy flesh with a tender and spongy stem.

Squashes are rich in vitamins and trace elements, low in calories, rich in potassium and have antioxidant properties.

 

Harvest and storage:

Harvest squash as late as possible, without risking the first frost. Keep the stem as long as possible and store them in a temperate room (10 to 15°C (50 to 59°F)) without letting them touch. This way, you can store them for a few months to a year.

The gardener's tip:

You can bury the stems at the nodes to encourage rooting.

To save space and protect your fruits from rot, you can grow pumpkins on supports like a trellis or sturdy stakes.

During fruit ripening, place a tile or brick between the ground and the fruit to isolate it and limit potential rotting. A thick mulch will also work.

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Squashes: sowing, planting, growing, harvesting
Family sheet
by Aurélien 14 min.
Squashes: sowing, planting, growing, harvesting
Read article

Harvest

Harvest time September to November
Type of vegetable Fruit vegetable
Vegetable colour orange
Size of vegetable Medium
Fruit diameter 20 cm
Interest Nutritional value, Colour, Productive
Flavour Sugary
Use Cooking

Plant habit

Height at maturity 40 cm
Spread at maturity 1.50 m
Growth rate normal

Foliage

Foliage persistence Deciduous
Foliage colour green

Botanical data

Genus

Cucurbita

Species

maxima

Cultivar

Potimarron

Family

Cucurbitaceae

Other common names

Red Kuri Squash

Origin

Cultivar or hybrid

Annual / Perennial

Annual

Product reference • 28541

Planting and care

Preparation:

Cucurbitaceae plants like loose, rich and deep soil. Dig a hole at least 40 cm (16in) in all directions and fill it with well-rotted manure and/or compost. In addition to feed, they will need plenty of water and heat, and plenty of space (at least 1 square metre).

Sowing:

Before sowing, you can soak the seeds for 24 hours in a little water to stimulate germination.

Either sow 3 weeks before transplanting, under glass or in a warm place (16 to 30°C (60.8 to 86°F)), starting from March, 2 or 3 seeds per pot or container, large enough for root development. Germination will occur 3 to 5 days later. Keep only the most vigorous plant. Plant in open ground after mid-May, once all risk of frost has passed. It is important not to sow too early, as the plants could become weak or their root system can develop too much and not withstand transplantation.

Or, sow from mid-May, directly in place, by planting 3 seeds per hole, as soon as frost is no longer a risk and the soil is well warmed up. Thin out after 2 to 3 weeks, keeping only the most vigorous plant. Cover the soil with organic matter (compost, clippings, leaves...), which will help maintain its moisture.

Watering:

Water generously from sowing or planting, being careful not to displace the seeds, and then regularly during fruit formation. However, once the fruits are formed, limit watering while they ripen.

Seedlings

Sowing period March to June
Sowing method Direct sowing, Sowing under cover, Sowing under cover with heat
Germination time (days) 5 days

Care

Soil moisture Wet
Disease resistance Good
Pruning instructions You must prune varieties with large fruits to control growth and promote fruiting. This should be done from June to September. After the formation of 4 to 5 true leaves on the main stem, cut after the second one. Then, on the lateral branches that develop without fruits, prune after the fifth leaf as soon as they have 8 leaves. Then, cut 2 leaves after the formation of each fruit, without keeping all the fruits. Depending on the variety and the desired fruit size, it is advisable to keep 1 to 3 fruits for larger specimens, 5 to 6 for small squashes, or butternut squashes, and 8 to 10 for mini squashes. Remove branches without fruits to limit vegetative growth.
Pruning No pruning necessary

Intended location

Type of use Vegetable garden
Hardiness Hardy down to +1.5°C (USDA zone 10b) Show map
Ease of cultivation Beginner
Soil light
Exposure Sun
Soil pH Any
Soil type Silty-loamy (rich and light), Damp soil

Planting & care advice

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